Abstract
Two cationic heteroleptic iridium(III) complexes with imidazole based ancillary ligands, namely, [Ir(ppz)2(Hpyim)]PF6 and [Ir(dfppy)2(Hpyim)]PF6 (where ppz is 1-phenylpyrazole, dfppy is 2-(2,4-difluorophenyl)pyridine, Hpyim is 2-(1H-Imidazol-2yl)pyridine and PF6− is hexafluorophosphate) have been synthesized and characterized by various spectroscopic methods and studied their photophysical and electrochemical properties. Solid-state light-emitting electrochemical cells (LECs) were fabricated using the synthesized complexes and resulted in green electroluminescence through the particular selection of cyclometalated ligands.
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